MK Ultra is one of the strongest indica-dominant strains on the market. Aptly named after the mental manipulation methods employed by the CIA’s Project MK Ultra, this strain’s high THC content makes for powerful cerebral stimulation. MK Ultra is a cross between a mostly sativa dominant OG Kush and G-13 and was bred by T.H. Seeds. This strain is renowned for it’s hypnotic, almost sedating effects that are fast-acting and long-lasting. MK Ultra is often used to treat various different types of chronic pain, but can also be effective in treating insomnia and loss of appetite.